The coffee one way degassing valves is especially suitable for bean coffee and ground coffee. The coffee one way degassing valve effectively vents CO2 gas build-up while sealing-out environmental oxygen, moisture and contaminants. Our coffee one way degassing valve will help release the gas while preventing air. Installing our one way degassing coffee valves is a must for coffee packaging. We are professional in coffee bag one way degassing valves for nearly 8 years, covering high quality degassing valve and high quality service. Our Advantages: Fast-growing, Fast-supply, Fast-reaction & Best-quality, Best-price, Best-service! contact:+86-757-25635000 admin(at)shundehuazhong.cn